Daliha ?????

Observation - Daliha ????? - UK and Ireland. Description: these wierd looking pods were found growing on my Dahlia stems, can anyone help ??
grown from tubers one plant seemed to die then these pods appeared, is this normal
no flowers as yet but should be red

these wierd looking pods were found growing on my Dahlia stems, can anyone help ??grown from tubers one plant seemed to die then these pods appeared, is this normalno flowers as yet but should be red